Bark Collar with Dual Vibration Version,Smart No Shock Bark Collar for Large/Medium/Small Dogs,Anti Bark Collars for Dogs with 8 Adjustable Sensitivity Levels,Rechargeable and Waterproof B659 No Bark Collar the sound modes are good

the sound modes are good enough to control your dog

The smart anti bark collar is designed with an advanced recognition chip with unique anti-false trigger technology

Also this dog training shock collar is size adjustable

During this period

The ultrasonic will not negatively affect the dog's hearing or health

Bark Collar with Dual Vibration Version,Smart No Shock Bark Collar for Large/Medium/Small Dogs,Anti Bark Collars for Dogs with 8 Adjustable Sensitivity Levels,Rechargeable and Waterproof B659 No Bark Collar the sound modes are good4 Training Modes and Automatic Protection System: Sound,Vibration,Sound+Vibration,Sound+Vibration+Strong vibration. Strong vibration and vibration modes can be adjusted from 0 to 8 intensity levels by pressing the level button. In the case of continuous barking in the mode with strong vibration,the bark collar will be gradually increased to a total of 7 cycles. Increasing to 7 levels before entering 1 minute Protection Mode for your pet. 8 Adjustable